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OMTech 40W Laser Engraver, 8"x12" Desktop K40 Laser Engraving Machine, 200x300 Laser Etching Machine with Red Dot Pointer LCD Panel Software Bundle Water Pump Exhaust Pipe for Wood Acrylic Fabric More
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Unpacking my K40 today. What is this "Switch Machine" switch (no mention in the manual - can't find online)? : r/lasercutting
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